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Others Like “Applying Hooke's Law: Make Your Own Spring Scale”

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Science Fair Project Idea
thumbnail Many things in nature are periodic: the seasons of the year, the phases of the moon, the vibration of a violin string, and the beating of the human heart. In each of these cases, the events occur in repeated cycles, or periods. In this project you will investigate the periodic motion of a spring, using a mini Slinky@reg;. Basic physics will then allow you to determine the Hooke's Law spring constant. Your analysis will also yield the effective mass of the spring, a factor that is important in… Read more
Phys_p064
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Time Required Short (2-5 days)
Prerequisites None
Material Availability Readily available
Cost Very Low (under $20)
Safety No issues
Science Fair Project Idea
thumbnail Are you interested in things like prosthetic limbs and artificial joints that can help people with disease or injury to lead a normal life? Or maybe you're interested in sports medicine or physical therapy? Either way, this project could be a good match for you. Find out how the tension on the knee joint changes as a function of angle by building a simple mechanical model. Read more
HumBio_p006
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Time Required Long (2-4 weeks)
Prerequisites To do this project, you should be handy with basic woodworking tools
Material Availability Specialty item (guitar string tuning mechanism)
Cost Average ($50 - $100)
Safety Adult supervision required (power tools used for assembly)
Science Fair Project Idea
thumbnail Want to do a project with a toy your parents, or even grandparents, might have played with? Slinkies are fun toys that also make great physics and engineering projects. In this science project you will investigate how changing the angle of an inclined plane affects how the Slinky walks down it. What angle will enable the Slinky to go for the best walk? Read more
ApMech_p019
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Time Required Very Short (≤ 1 day)
Prerequisites None
Material Availability Readily available
Cost Very Low (under $20)
Safety No issues
Science Fair Project Idea
thumbnail Many materials expand when heated and contract when cooled. What do you think will happen to the elasticity (stretchiness) of a rubber band when it is heated or cooled to various temperatures? Read more
ApMech_p026
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Time Required Average (6-10 days)
Prerequisites None
Material Availability This project requires some specialty items. They can all be purchased online, or you may be able to borrow them from school. See the Materials and Equipment section below for details.
Cost Low ($20 - $50)
Safety Adult supervision is required for heating and pouring boiling water.
Science Fair Project Idea
Is an I-beam as strong as a solid beam of the same size? What if you include weight in the comparison: which beam has the greater strength-to-weight ratio? Would an I-beam be stronger than a solid rectangular beam of the same weight? What about other structural shapes (e.g., T-beams, U-beams)? In this project you can find out by setting up a test stand, putting on your safety goggles and measuring how much stress these building components can handle before they snap. Read more
MatlSci_p011
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Time Required Short (2-5 days)
Prerequisites None
Material Availability Readily available
Cost Low ($20 - $50)
Safety Minor injury possible: Wear safety glasses when testing beam capacity. Keep hands and feet clear of the area underneath the weight bucket, which may fall at any time.
Science Fair Project Idea
thumbnail If you have ever been shot with a rubber band then you know it has energy in it, enough energy to smack you in the arm and cause a sting! But just how much energy does a rubber band have? In this experiment you will find out how the stretching of a rubber band affects the amount of energy that springs out of it. Read more
ApMech_p017
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Time Required Very Short (≤ 1 day)
Prerequisites None
Material Availability Readily available
Cost Very Low (under $20)
Safety No issues
Science Fair Project Idea
thumbnail How do you feel when you ride your bike into a strong wind? Do your legs feel like lead? How about when the wind is at your back? Does that make you feel ready for the Tour de France? In this science fair project, you will investigate how wind-powered devices, like pinwheels, also react in different ways to the direction of the wind. Read more
Energy_p025
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Time Required Average (6-10 days)
Prerequisites None
Material Availability Readily available
Cost Very Low (under $20)
Safety No issues
Science Fair Project Idea
thumbnail Do you love roller coasters and other kinds of exciting rides? Are you a thrill-seeker? Well, this is the science fair project for you! What makes a ride so thrilling that people want to ride it over and over again even though it scares them? Is it the speed, the twists and turns, the vertical drops? In this science fair project, you will build and use an accelerometer to figure out what makes a roller-coaster ride worth standing in line for. Oh, and if Mom and Dad ask what an amusement park… Read more
ApMech_p041
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Time Required Short (2-5 days)
Prerequisites Access to an amusement park.
Material Availability Readily available
Cost Average ($50 - $100)
Safety Make sure that you and your volunteers are healthy enough to ride roller-coaster rides. Always take a break and rest if you start to feel ill. Adult supervision is recommended.
Science Fair Project Idea
thumbnail In baseball, coaches use hit charts to track the results of every hit each player makes, giving a measure of the player's performance. Have you ever wondered what things affect where a baseball goes when a player hits it with a bat? In this project you will set up an experiment to hit a ping pong ball in a controlled manner using a toy catapult, then learn about the physics of baseball by making your own hit chart. Read more
Sports_p060
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Time Required Average (6-10 days)
Prerequisites To do this project, you should understand what a coordinate system is and know how to make a simple scatter plot.
Material Availability This science project requires a kit available from the Science Buddies [# Link Name="Sports_p060.3" Value="HtmlAnchor" HtmlText="store" #]. See the Materials and Equipment list for details. Estimated project time includes shipping.
Cost Average ($40 - $80)
Safety Never launch projectiles at people or animals. Be careful not to get your fingers caught in the moving parts of the catapult.
Science Fair Project Idea
thumbnail What makes some objects more streamlined than others? Find out which ordinary objects around your house are made to move smoothly through the water in this easy science fair project. Which objects will produce the most drag when pulled through the water? Read more
Aero_p022
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Time Required Very Short (≤ 1 day)
Prerequisites You will need access to a swimming pool.
Material Availability Readily available
Cost Very Low (under $20)
Safety Adult supervision is required. Use caution when working near the swimming pool.
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